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Feature

Comes labeled with instructions in a shrink-wrapped sheet that fits a standard tray
Tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth
Designed for seed and cutting propagation prior to "blocking on" into larger growing blocks
Grodan Stone wool (Rockwool) is made from molten rock spun into cotton candy-like fibers

Description

A-OK Starter Plugs for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs come labeled with instructions in a shrink-wrapped sheet that fits a standard 10 x 20 tray (flat). Note: Item #713020 is supplied without shrink wrap.